Which everyday optical device uses a combination of lenses to magnify distant objects?

Which natural phenomenon results from the dispersion of sunlight through water droplets in the atmosphere?

Which part of the human eye controls the amount of light entering it?

Which mosquito borne disease is characterized by high fever joint pain and a distinctive skin rash?

Which preservation technique uses controlled heating to kill harmful microorganisms in liquids like milk?

Which principle explains the lift generated by an aircraft wing due to differences in air pressure?